fix the readme

wdcodecn · Apr 27, 2022 · 77bd336 · 77bd336
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diff --git a/defi/Euler/img/dump.jpg b/defi/Euler/img/dump.jpg
diff --git a/defi/Euler/img/grade.jpg b/defi/Euler/img/grade.jpg
diff --git a/defi/Euler/img/pump.jpg b/defi/Euler/img/pump.jpg
diff --git a/defi/Euler/img/tvl.jpg b/defi/Euler/img/tvl.jpg
diff --git a/defi/Euler/oracle/readme.md b/defi/Euler/oracle/readme.md
@@ -0,0 +1,27 @@
+# oracle
+euler使用uniswap v3作为价格输入源。但是如果引用了一个流动性差的池子，会有很大风险。
+
+**oracle oracle评级**
+euler项目方开发的工具：https://oracle.euler.finance/
+euer团队的univ3预言机分析：https://blog.euler.finance/uniswap-oracle-attack-simulator-42d18adf65af
+
+
+**Attack Simulator**
+具体攻击可参考此篇链接：
+
+Given current concentrated liquidity profile of the ABC/WETH pool, what would it cost the attacker to move a N-minute TWAP of the ABC price to x?
+
+影响攻击Uniswap V3 oracle难度的两个主要因素:tvb和流动性的集中。
+评分系统：
+由三个因素组成：
+1. TVL locked in the Uniswap V3 pool
+2. Slippage on a $1mil XYZ vs ETH buy order on Uniswap
+3. Slippage on a $1mil XYZ vs ETH sell order on Uniswap 
+总体评级从A到F，总之，任何低于B的内容都应该避免使用!
+攻击成本分析论文：https://github.com/euler-xyz/uni-v3-twap-manipulation/blob/master/cost-of-attack.pdf  
+
+
+
+
+## 参考链接
+- 官方文档：https://docs.euler.finance/risk-framework/oracle-rating
diff --git a/defi/Uniswap-V2/readme.md b/defi/Uniswap-V2/readme.md
@@ -42,6 +42,7 @@ Interface 是 User Interface 的含义，此为 Uniswap 网站的代码，包括
 详细内容请戳这里 :point_right: [UniswapV2 Interface Guide](./Interface/readme.md)
 
 ## 参考链接
+- jeiwan专栏: https://jeiwan.net/posts/programming-defi-uniswapv2-1/
 - 如何 Fork uniswap: https://www.youtube.com/watch?v=U3fTTqHy7F4   
 - 将UniswapV2部署到所有区块链:  https://www.youtube.com/watch?v=TCYnec5G9pE  
 - 构建一个简单的交易所: https://medium.com/@austin_48503/%EF%B8%8F-minimum-viable-exchange-d84f30bd0c90  

diff --git a/nft/opensea/readme.md b/nft/opensea/readme.md
@@ -23,4 +23,5 @@
 - [ ] OpenSea站的工作流程
 
 ## 参考链接 
+NFT及OpenSea交易背后的技术分享： https://mirror.xyz/xing824.eth/O3hpbibMf9vLNz6p80YUriU8Bf3bEaJWvRL49FGAgAc
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		- [ ] OpenSea站的工作流程

		## 参考链接
		NFT及OpenSea交易背后的技术分享： https://mirror.xyz/xing824.eth/O3hpbibMf9vLNz6p80YUriU8Bf3bEaJWvRL49FGAgAc